M
I stopped using Break-free in my bore when I found out teflon wasn't conducive to accuracy.Quite the amazing thing.
I was using Break-free. Close, but not close enough.
2-3 drops. And the first one is usually in the group or starts the group. But, it is on the sighter....
I was told most of the carrier evaporates. Leaving graphite.
And this Engineer. Said the quality of the graphite has improved the last few years. So he stopped making his own.